Which of the following is the reason for the lower levels of water in the Lake Mead reservoir since 2000?
A) Over harvesting in Nevada
B) Deforestation
C) Drought
D) Too much government regulation
E) Illegal diversion to Mexico
Answer: C
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Which of the following is a natural soil buffer that is abundant in the midwestern United States and helps to reduce the amount of acidification of lakes in that region?
A) Granite B) Limestone C) Sand and gravel D) Mosses and algae in the soil
Hazardous-waste disposal in surface impoundments is a risky but inexpensive means of disposing of
A) large amounts of highly radioactive wastes. B) acids and corrosives. C) large quantities of water with dissolved or suspended toxic wastes. D) biological hazards such as hospital wastes.
The Digital Divide refers to uneven access to ________ among India's population
A) IT resources B) cell phones C) automobiles D) food
Which is NOT a mechanism of uplift?
a. convection b. advection c. frontal d. cyclonic